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JOB NO.: U4879.0037.221 <br />SUBJECT: SEISMIC LOADS <br />PROJECT: Mayra Rosas Residence <br />CHECK INCREASE IN OVERALL SEISMIC LOADS <br />10.2 psf <br />3.0 psf <br />29% <br />11.1 psf <br />8.5% <br />Conservatively neglecting the weight of existing wall materials, the installation of the solar panels represents an <br />increase in the total weight (and resulting seismic load) of 8.5%. Because the increase is less than 10%, this <br />addition meets the requirements of the exception in Section 503.4 of the 2019 CEBC. Thus the existing structure <br />is permitted to remain unaltered. <br />Addt'l Seismic Weight <br />Estimated Roof Dead Load <br />Solar Dead Load <br />% Roof Covered <br />Equiv. Total Dead Load <br />2209 S Towner St <br />10/10/22